Carbohydrates are <span>biomolecules that contain only carbon, hydrogen and oxygen, usually in the ratio 1:2:1. They are b</span><span>iomolecules that include sugar, starch, or cellulose and serve as a major energy source in the diet of animals.</span>
Answer:
B. Are Harmful
Explanation:
Harmful mutations may cause genetic disorder or cancer.
An Organ System is a group of organs which work together to accomplish a specific function.
The solution is A.
Answer: centrosome.
Explanation:
An important organelle in the division of animal cells is the centrosome. The centrosome is the microtubule generating and organizing center of the cell. Microtubules form the support structure, or cytoskeleton, of all cells. During cell division, or mitosis, microtubules form the spindle fibers that separate chromosomes.